Second that - i found it good starter for ten.
The Role of OC is one of those roles where everyone experiences it differently.
There is always a debate about what preps you best for being OC but in the end it is one of those more art /philosophy than a science - nothing to be scared of, a mini-right of passage and your fellow OC will have plenty of ideas.
https://forum.aircadetcentral.net/t/preparation-for-co-training-officer-vs-adjutant/